http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2002055658-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J35-0006 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C47-052 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-38 |
| filingDate | 2001-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_756c016e01438eebacb9cb415b8b1bbf |
| publicationDate | 2002-05-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2002055658-A1 |
| titleOfInvention | Dual catalyst bed reactor for methanol oxidation |
| abstract | A process and apparatus for oxidizing methanol in a gas stream into formaldehyde in a fixed bed reactor. The process first introduces a gas stream into a fixed bed reactor. The fixed bed reactor contains a catalyst bed having a depth, a width, a length, an inlet, an upstream region, a downstream region and an outlet. Preferably, the inlet, the upstream region, the downstream region and the outlet are provided in the order stated. A vanadia-titania catalyst is provided in the upstream region and a molybdena-titania catalyst is provided in the downstream region. The vanadia-titania catalyst in the upstream region is substantially free of MoO 3 and initially (i.e., during oxidation some V 2 O 5 may sublime and migrate to the downstream region) the molybdena-titania catalyst in the downstream region is substantially free of V 2 O 5 . Next, the gas stream is contacted with the vanadia-titania catalyst under oxidizing conditions. Then, the gas stream is contacted with a molybdena-titania catalyst under oxidizing conditions which provides a product stream containing formaldehyde at the desired conversion and formaldehyde selectivity. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2009126547-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2011516260-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101980773-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101980773-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009253941-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7462331-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005274260-A1 |
| priorityDate | 2000-09-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 73.